Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\Locsy\vendor\league\oauth1-client\tests\PlainTextSignatureTest.php:9
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\Locsy\vendor\league\oauth1-client\tests\PlainTextSignatureTest.php on line 9